Ultrasonic flow meter TPK series

volumefor waterfor wastewater

Product overview
The TPK series inline ultrasonic flow sensors / flow meters feature an integrated design with built-in electronics for direct flow-rate measurement.
The TPK in-line flow sensor has no moving parts or dead zones, ensuring minimal pressure loss, easy cleaning and long service time. Calibration is independent of tubing material or diameter, support quick installation into the automation systems.

Applications
Industrial automation: Filling machines, spraying equipment, liquid cooling, lubrication and cleaning systems.
Battery manufacturing: Lithium battery slurry transfer, water cooling circuits.
Water treatment: Wastewater and process water monitoring.
Reverse Osmosis (RO) System
Furnace liquid / water cooling
Wafer Slicing Machine water cooling
Dry Vacuum Pump
Scrubber
Die Casting Machine
Laser Cutting Machine
Aseptic Filling System
Heat Exchanger
Brewing System
Cleaning System / CIP System
Valve Control System
Cooling Distribution Unit (CDU)
Spray Coating Robot
Cooling Tower
Refrigeration Compressor
Ultra-pure Water System (UPW System)
Reverse Osmosis (RO) System
Glass Melting Furnace
Screw Compressor Testing
Industrial Cooling
Water Treatment
Smart Agricultural Irrigation
UV Water Treatment System
Reverse Osmosis Water Treatment System
Chemical Dosing System
Chemical Storage Tank

Measurable Liquids
Water
Purewater
DI water
Cleaning water
Slurry
Oil
Chemicals
Coolant
Mineral oil
Freezer
Acids


Product Features

• No blockage: No moving parts, no blockage and negligible pressure loss.
• Reliable materials: Corrosion-resistant options for demanding environments.
• Compact footprint: Built-in circuitry reduces installation space.
• Easy integration: Multiple output modes for seamless connection to automation and control systems.

Product Selection

• TPK015N | Flow range 0–4 L/min | Double union joint (DN15)
• TPK020N | Flow range 0–100 L/min | Double union joint (DN20)
• TPK025N | Flow range 0–240 L/min | Double union joint (DN25)
• TPK032N | Flow range 0–240 L/min | Double union joint (DN32)
• TPK050N | Flow range 0–1,000 L/min | Double union joint (DN50)

Specifications

• Measurable liquids: Low-solid liquids such as water, blood, beverages, gasoline, paint.
• Accuracy: ±1% plus zero drift.
• Enclosure materials: PPS (plastic) or stainless steel options.
• Supply voltage: 12–30 VDC (typical operation at 24 V).
• Current consumption: Without external load < 30 mA; with external load ≥ 30 mA, must not exceed 100 mA.
• Interface: 5-pin push-pull connector.
• Fluid temperature range: 0°C to 90°C.
• Storage temperature: 0°C to 60°C.
• Shielding: Grounded wiring required.
• Inputs/outputs:
• RS485 communication
• Selectable current outputs: 4–20 mA, 0–20 mA, 0–24 mA
• Selectable pulse outputs: NPN, PNP, PUSH-PULL
• Current output and pulse output share pins and can be configured according to application needs.

Accessories and Optional Accessories

• Included: 5‑pin shielded cable (default length 1.5 m), two coupling fittings and sealing rings.
• Optional: USB data converter (connect single sensor to PC); Flow sensor toolkit/display (connect up to three sensors to PC); Flow display device (connect one sensor and route sensor cable); 3 m data cable with push-pull connectors.

Technical characteristics / specifications

• Series: TPK series
• Representative models: TPK015N, TPK020N, TPK025N, TPK032N, TPK050N
• Flow ranges: 0–4 L/min up to 0–1,000 L/min depending on model
• Connection: Double union joint (DN15 / DN20 / DN25 / DN32 / DN50)
• Accuracy: ±1% plus zero drift
• Measured liquids: Low-solid liquids (water, blood, beverages, gasoline, paint)
• Materials: PPS plastic or stainless steel enclosure
• Power: 12–30 VDC input, typical 24 V operation
• Outputs: RS485, selectable current outputs (4–20 mA, 0–20 mA, 0–24 mA), selectable pulse outputs (NPN/PNP/PUSH-PULL)
• Operating fluid temperature: 0°C to 90°C
• Storage temperature: 0°C to 60°C
• Shielding: Grounded wiring required
• Included cable: 5‑pin shielded cable, default 1.5 m